Sigma Inc. is a recruiting and staffing firm specializing in placements across industries including information technology, engineering, healthcare, finance, life sciences, government, and administrative functions, offering contract, contract-to-hire, and direct-hire services. Job seekers can engage with the firm by submitting a resume or working with recruiters to access opportunities ranging from short-term assignments to permanent roles across multiple sectors nationwide. Common roles include software developers, data analysts, project managers, healthcare professionals, administrative staff, engineers, and financial specialists.